WO2018046020A1 - Child transportation device temperature sensing - Google Patents

Child transportation device temperature sensing Download PDF

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Publication number
WO2018046020A1
WO2018046020A1 PCT/CN2017/101457 CN2017101457W WO2018046020A1 WO 2018046020 A1 WO2018046020 A1 WO 2018046020A1 CN 2017101457 W CN2017101457 W CN 2017101457W WO 2018046020 A1 WO2018046020 A1 WO 2018046020A1
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WO
WIPO (PCT)
Prior art keywords
child
temperature
transportation device
temperature monitoring
alarm
Prior art date
Application number
PCT/CN2017/101457
Other languages
French (fr)
Other versions
WO2018046020A9 (en
Inventor
Nicolas Gonzalez GARRIDO
Srdjan Jovanovic
Original Assignee
Suzhou Swandoo Children's Articles Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201621050502.6U external-priority patent/CN206141378U/en
Priority claimed from CN201621050383.4U external-priority patent/CN206141384U/en
Priority claimed from CN201621050426.9U external-priority patent/CN206049417U/en
Priority claimed from CN201610817633.0A external-priority patent/CN106314211A/en
Application filed by Suzhou Swandoo Children's Articles Co., Ltd. filed Critical Suzhou Swandoo Children's Articles Co., Ltd.
Publication of WO2018046020A1 publication Critical patent/WO2018046020A1/en
Publication of WO2018046020A9 publication Critical patent/WO2018046020A9/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2842—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle adapted to carry the child, when dismounted from the vehicle
    • B60N2/2848—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle adapted to carry the child, when dismounted from the vehicle being convertible or adaptable to a preambulator, e.g. a baby-carriage or a push-chair
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2821—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2842—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle adapted to carry the child, when dismounted from the vehicle
    • B60N2/2845—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle adapted to carry the child, when dismounted from the vehicle having handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B60R2022/4808—Sensing means arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B60R2022/4808—Sensing means arrangements therefor
    • B60R2022/4858—Sensing means arrangements therefor for sensing pressure on seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B60R2022/4866—Displaying or indicating arrangements thereof

Definitions

  • This disclosure relates to a child transportation device such as a child safety seat, with the ability to detect the ambient temperature.
  • a car child safety seat which is also a child restraint system, is a seat which is specially designed for children at different ages (or of different weights) , is mounted in a motor vehicle and can improve childrenā€²s car-riding safety efficiently.
  • the child safety seat can reduce injuries to the child by slowing down the impact force on the child and by restraining the body movement of the child, thereby increasing the car-riding safety of the child.
  • existing child safety seats are relatively limited in function and typically do not monitor the in-car temperature to protect the child from temperature-related injuries.
  • a child transportation device includes a child seat with a sloped back section, and a temperature monitoring unit that is constructed and arranged to determine an ambient temperature, wherein the temperature monitoring unit comprises a temperature sensor located under the sloped back section of the child seat.
  • Embodiments may include one of the following features, or any combination thereof.
  • the child seat may comprise a hand basket.
  • the temperature sensor may be under a rear bottom part of the hand basket.
  • the temperature sensor may be under an outer surface of the rear bottom part of the hand basket.
  • the temperature sensor may be mounted to a printed circuit board that is located behind a cover that is part of the outer surface of the rear bottom part of the hand basket.
  • the cover may have an opening, so that the temperature sensor is exposed to ambient air.
  • the child transportation device may further comprise a temperature monitoring device that comprises the temperature monitoring unit.
  • the temperature monitoring device may further comprise a microprocessor and an alarm unit, wherein the temperature monitoring unit and the alarm unit are operably connected to the microprocessor.
  • the child seat may comprise a hand basket, and the temperature sensor may be under an outer surface of a rear bottom part of the hand basket.
  • the temperature sensor may be mounted to a printed circuit board that is located behind a cover that is part of the outer surface of the rear bottom part of the hand basket, and the cover may have an opening, so that the temperature sensor is exposed to ambient air.
  • the microprocessor may be configured to provide an alarm when the ambient temperature is outside of a predetermined temperature range.
  • the alarm may comprise at least one of an audible alarm from the alarm unit, a visible alarm from the alarm unit, and an alarm signal sent by a communication unit of the temperature monitoring device.
  • Embodiments may include one of the following features, or any combination thereof.
  • the child transportation device may further comprise an occupancy sensor that is adapted to determine if a child is in the child transportation device.
  • the temperature monitoring unit may be operably coupled to the occupancy sensor, such that ambient temperature is not sensed ifno child is located in the child transportation device.
  • the occupancy sensor may comprise one or more of an infrared sensor and a pressure sensor.
  • a child transportation device in another aspect, includes a child seat comprising a hand basket, and a temperature monitoring device comprising a temperature monitoring unit that is constructed and arranged to determine an ambient temperature, wherein the temperature monitoring unit comprises a temperature sensor located under an outer surface of the rear bottom part of the hand basket.
  • the temperature monitoring device further comprises a microprocessor and an alarm unit, wherein the temperature monitoring unit and the alarm unit are operably coupled to the microprocessor.
  • Embodiments may include one of the above and/or below features, or any combination thereof.
  • the temperature monitoring unit may be mounted to a printed circuit board that is located behind a cover that is part of the outer surface of the rear bottom part of the hand basket, and the cover may have an opening, so that the temperature monitoring unit is exposed to ambient air.
  • the child transportation device may further comprise an occupancy sensor that is adapted to determine if a child is in the child transportation device, wherein the temperature monitoring unit is operably coupled to the occupancy sensor, such that ambient temperature is not sensed if no child is located in the child transportation device.
  • a child transportation device in another aspect, includes a child seat comprising a hand basket, and a temperature monitoring device comprising a temperature monitoring unit that is constructed and arranged to determine an ambient temperature, wherein the temperature monitoring unit comprises a temperature sensor located under an outer surface of the rear bottom part of the hand basket, wherein the temperature monitoring unit is mounted to a printed circuit board that is located behind a cover that is part of the outer surface of the rear bottom part of the hand basket, and wherein the cover has an opening, so that the temperature monitoring unit is exposed to ambient air.
  • the temperature monitoring device further comprises a microprocessor and an alarm unit, wherein the temperature monitoring unit and the alarm unit are operably coupled to the microprocessor.
  • an occupancy sensor that comprises one or more of an infrared sensor and a pressure sensor, wherein the occupancy sensor is adapted to determine if a child is in the child transportation device.
  • the temperature monitoring unit is operably coupled to the occupancy sensor, such that ambient temperature is not sensed if no child is located in the child transportation device.
  • the microprocessor is configured to provide an alarm when the ambient temperature is outside of a predetermined temperature range, wherein the alarm comprises at least one of an audible alarm from the alarm unit, a visible alarm from the alarm unit, and an alarm signal sent by a communication unit of the temperature monitoring device.
  • Fig. 1 is a disassembled perspective view of a child transportation device that includes a child seat and a base.
  • Fig. 2A is a perspective view and fig. 2B is a side view of the child seat of fig. 1.
  • Fig. 3 is a side view of a child transportation device that is a stroller.
  • Fig. 4 is a functional block diagram of a temperature monitoring device.
  • Fig. 5A is a rear view of the child seat of figs. 1 and 2.
  • Fig. 5B is an enlarged view of the temperature monitoring unit cover of fig. 5A.
  • Fig. 6 is a side-view of a child seat mounted on the back seat of a motor vehicle.
  • Fig. 7 is a flow chart illustrating steps involved in temperature measurement and alarm generation.
  • the disclosure aims at overcoming disadvantages in the prior art and provides a child safety seat with temperature monitoring.
  • a temperature monitoring device is arranged on the seat body to monitor the temperature in the car in real time, and to give an alarm to notify a responsible adult when the temperature is higher than a set-point.
  • the child safety seat with temperature monitoring may comprise a base and a hand basket.
  • the hand basket may be movably connected with the base.
  • the hand basket may be provided with a temperature monitoring device.
  • the temperature monitoring device may comprise a temperature monitoring unit, a microprocessor, and an alarm unit.
  • the temperature monitoring unit and the alarm unit may be operably connected to the microprocessor.
  • the temperature monitoring unit may be used to monitor the air temperature and transmit the monitored data to the microprocessor.
  • the microprocessor receives the temperature data and calculates the temperature.
  • the microprocessor controls the alarm unit to give a visual and/or audible alarm according to a preset temperature range when the monitored temperature is not within the preset temperature range.
  • the temperature monitoring device further comprises a communication unit, and the communication unit is used for synchronously transmitting the temperature data to one or more third parties, such as a client resident in a mobile device such as a tablet or smartphone.
  • the communication unit is used for synchronously transmitting the temperature data to one or more third parties, such as a client resident in a mobile device such as a tablet or smartphone.
  • the temperature monitoring device further comprises a power management unit, and the power management unit is used for providing a power source to the temperature monitoring device.
  • At least one temperature sensing unit is provided, and the temperature sensing unit comprises a temperature sensor.
  • the seat body further comprises at least one infrared sensor or another type of child-presence sensor that is constructed and arranged to sense the presence of a child in the child transportation device.
  • the alarm unit comprises a voice alarm and a buzzer alarm.
  • the display unit (when present) is an LED display screen or a liquid crystal display screen mounted to an outside surface of the child transportation device.
  • the communication unit comprises a mobile communication unit, such as a Bluetooth unit or a Bluetooth Low-Energy (BLE) unit.
  • a mobile communication unit such as a Bluetooth unit or a Bluetooth Low-Energy (BLE) unit.
  • BLE Bluetooth Low-Energy
  • the disclosure has the beneficial effects that the child safety seat with temperature monitoring can monitor the temperature in the car automatically, and can give an alarm automatically to prompt the parent when the temperature is higher than the set value, thereby helping to avoid accidental injury.
  • the child safety seat with temperature monitoring disclosed herein may comprise a seat body; a temperature monitoring device is arranged on the seat body; the temperature monitoring device comprises a temperature monitoring unit, a microprocessor, an optional display unit, and an alarm unit.
  • the temperature monitoring unit collects temperature data in the motor vehicle (e.g., a car) , converts the temperature data into digital signals and transmits the digital signals to the microprocessor.
  • the microprocessor receives the digital signals, and processes and calculates the data to obtain the temperature.
  • the display unit displays the temperature and allows the parent to check the temperature at any time.
  • the microprocessor commands the alarm unit to give an alarm to remind the parent to protect the safety of the child in a better manner.
  • the microprocessor stores the collected data for subsequent data observation.
  • the temperature monitoring device further comprises a communication unit, and an optional power management unit.
  • the communication unit comprises a Bluetooth unit used for synchronously transmitting data.
  • Responsible adults such as a parent can download a software application (an app) for the child seat with temperature monitoring, on a device such as a smartphone or a tablet.
  • the seat system may also include an active key fob.
  • the key fob may have one or both of RF and Bluetooth communications capability, and one or both of a speaker and an LED for indicating alarm conditions.
  • the signal transmitted by the RF or Bluetooth unit is interrupted, and the microprocessor commands the alarm unit to give an alarm.
  • the alarm can also be sent to the phone and/or the key fob. Since the key fob is usually carried away when a driver leaves a car, the key fob may be a more reliable indicator than the phone, that the parent has left the car, with the child in the car.
  • the mobile device of the parent may receive related information to remind the parent to prevent leaving the child in the car alone.
  • the power management unit is used for providing power to the temperature monitoring device; of course, the temperature monitoring device can also be powered by solar energy or a common battery; and the whole temperature monitoring device is low in energy consumption and high in safety.
  • the temperature monitoring device may further comprise at least an infrared sensor, a pressure sensor, and/or another type of child presence sensor, used for monitoring whether the child is in the seat.
  • the infrared sensor When a child is placed in the car, the presence of the child is detected through the infrared sensor, and the sensor data is transmitted to the microprocessor.
  • the microprocessor receives the data and starts up the whole temperature monitoring device to monitor the temperature and store the monitored data.
  • the infrared sensor does not send any information to the microprocessor, as the presence of the child is not sensed. In this state, the temperature control processing unit controls the whole temperature monitoring device to stop working, which saves battery power.
  • the temperature monitoring unit preferably comprises a temperature sensor.
  • the temperature sensor is preferably a non-contact type sensor.
  • the alarm unit preferably comprises a voice alarm and a buzzer alarm.
  • the voice alarm sends out a voice broadcast, and the buzzer alarm simultaneously sends out an alarm sound to alert the parent.
  • the display unit when present, may be an LED display screen or a liquid crystal display screen.
  • the temperature is displayed on the display screen, so that the parent can observe the temperature in the car at any time and can add or reduce clothes of the child suitably.
  • the temperature data can be transmitted to a client on a mobile device, so the temperature can be observed apart from the seat.
  • the preset temperature of the temperature monitoring device shall not exceed the preset value such as 38Ā°C.
  • the microprocessor receives the presence signals, and enables the temperature sensor to collect the temperature data in the car and transmit the temperature data to the microprocessor.
  • the microprocessor compares the current temperature to the preset temperature (s) , and commands an alarm from the alarm unit when the temperature data collected in the car is greater than the preset high value or lower than the preset low value.
  • the alarm unit sends out a voice broadcast and the alarm sound at the same time, to alert the parent to attend to the child.
  • the temperature monitoring device of the child safety seat with temperature monitoring disclosed herein is also suitable for seats or other devices which are used to carry or transport children such as an infant carrier, a stroller, and a child bicycle seat.
  • the temperature monitoring device can be arranged on the hand basket or the stroller or the bicycle seat to detect whether the environmental temperature is suitable for the child and to give an alarm when the environmental temperature is not suitable for the child.
  • Fig. 1 illustrates an exemplary child transportation device (child seat) 100 that comprises hand basket 1 that is adapted to fit an infant or child, with pivoting carry handle 12.
  • the basket can be carried by grasping the handle and lifting the basket off the ground or other surface on which the child seat is located.
  • Basket 1 can be releasably coupled to base 2.
  • base 2 In general, child seats are known in the art, so certain details of the seat will not be described herein.
  • basket 1 includes shell 6 with front portion 4, rear portion 3, and lower rear portion 5.
  • basket 1 can also be removably mounted to stroller frame 30 to create a child stroller 300.
  • This disclosure is not limited to any particular type of child transportation device, or to any particular type of child seat or basket, as the disclosure relates to temperature sensing in a child transportation device.
  • Temperature monitoring device 40 includes temperature monitoring unit 50 that is placed such that it is able to sense the ambient temperature in, on, or proximate the child transportation device. Placement details are set forth elsewhere. Temperatures data from temperature monitoring unit 50 are provided to microprocessor 42. Microprocessor 42 also controls optional display unit 44, and communication unit 46. Power management unit 48 provides power to microprocessor 42, optional display unit 44, and communication unit 46, and also may provide power to the other functional units depicted in fig. 4. Infrared sensor 52 may be used to sense the presence of a child in the child transportation device. Occupancy sensor 54 may also or alternatively be used to sense the presence of a child in the child transportation device.
  • Occupancy sensor 54 may be a type of sensor other than an infrared sensor, for example a weight sensor or pressure sensor that detects when a child is in the child transportation device, or a capacitive sensor that also can detect when a child is in the child transportation device.
  • the ability to detect whether or not a child is positioned in the car seat may be accomplished with one or more proximity sensors.
  • Proximity sensing may be accomplished using infrared sensors that are located on the seat (or as a separate device located elsewhere in the vehicle, in wireless communication with the car seat system) with a viewing angle that includes the location where a child would normally be found.
  • the proximity sensor (s) can be located on the handle of a car seat, which is typically located over the open top of the car seat.
  • detecting the presence of a child on board include accessories such as infrared sensors, motion detectors, cameras, pressure sensors, and near-field communication (NFC) (such as on a childā€™s bracelet) . These could be enabled to communicate directly with the seat system communication unit or other system components, or indirectly to the car seat system, such as via a mobile device app.
  • accessories such as infrared sensors, motion detectors, cameras, pressure sensors, and near-field communication (NFC) (such as on a childā€™s bracelet) .
  • NFC near-field communication
  • Temperature monitoring unit 50 is arranged to detect the ambient temperature at or proximate the child transportation device. Temperature monitoring unit 50 can use any now-known or later-developed temperature sensing technology.
  • temperature monitoring unit 50 comprises a TMP06 temperature sensor, available from Analog Devices, Inc. of Norwood, MA, USA.
  • the TMP06 sensor can be operated in one-shot mode, where the sensor outputs a value representing temperature only when requested by a microcontroller. A result is that the sensor uses very little power.
  • microprocessor 42 is programmed to request a temperature about one time per second.
  • the temperature as determined by microprocessor 42 based on the output of temperature monitoring unit 50, can be displayed on display unit 44, which may be carried on an outside surface of the child transportation device, so that a responsible adult can track the temperature and take any action necessary to maintain the comfort and safety of the child in the child transportation device.
  • Alarm unit 56 can be enabled by microprocessor 42 to indicate an alarm condition when the temperature exceeds a set-point.
  • the set point can be pre-established in microprocessor 42 by the car seat manufacturer, and/or can be set by an adult through a mobile device app or a user interface (not shown) on the child transportation device.
  • the alarm can be any one or more types of alarms, such as a local alarm sound (from a sound generator carried by the child transportation device) , a local alarm light (e.g., a red LED) , and a wireless signal sent to a mobile device with the app that then notifies the user, e.g., through an alarm sound and/or a visual alarm indicator such as a flashing red screen or warning display.
  • a local alarm sound from a sound generator carried by the child transportation device
  • a local alarm light e.g., a red LED
  • a wireless signal sent to a mobile device with the app that then notifies the user, e.g., through an alarm sound and/or a visual alarm indicator such as a flashing red screen or warning display.
  • the temperature sensor In order to detect ambient air temperature more accurately, it is advisable for the temperature sensor not to be exposed to direct sunlight.
  • the placement of the temperature sensor on the child transportation device can thus be important to accurate temperature determination. A location that is unlikely to be exposed to direct sunlight in normal use of the child transportation device is thus preferred, but not required.
  • a child seat such as car seat 60, figs. 5A and 6, and that has sloped rear lower surface 62
  • the location can be under cover member 70 which is on rear sloped surface 62.
  • Cover member 70 (fig. 5B) has fixed base portion 72, and access door 74 that can be opened to provide access to a battery (not shown) , which may be mounted on the same circuit board as the temperature sensor.
  • Air opening 76 may be provided in cover member 70 in order to allow ambient air to circulate below the cover to the temperature sensor, so that the sensor is able to detect ambient air temperature more accurately. Opening 76 may be covered by a water-resistant (hydrophobic) mesh, such as a Saatifil acoustic mesh available from Saati s.p.A., Appiano Gentile, Italy. Note that childā€™s head 66 is visible in fig. 5A, as is basket handhold depression 64.
  • Button 78 can be used to pair the seat with a separate hub device, and for triggering a seat safety check, as desired.
  • the hub may be a remote component located or mounted elsewhere in the motor vehicle, and that is enabled to communicate with system 40, such as by Bluetooth, BLE, proprietary RF, or a GSM link, for example.
  • Audible and/or visual alarm outputs could be generated by audible/visual output subsystems incorporated on hub components.
  • An alarm condition could cause the hub to display a visual warning of a problem that can be seen from outside the vehicle.
  • the hub may also output an audible alarm.
  • the alarm can also be wirelessly (e.g., by BLE) communicated to the key fob.
  • the key fob may also output visual and audible signals indicating the alarm condition.
  • the microprocessor may also initiate communication with a remotely located device, such as a smartphone, tablet, personal computer and the like, sending a message to the remote device that a problem conditions exists.
  • Fig. 6 shows child transportation device (car seat) 60 in a typical use situation, mounted on the rear seat R of a motor vehicle that also has front seat F.
  • Printed circuit board 80 that carries the temperature sensor is located just behind cover 70. This places the temperature sensor underneath sloped rear surface 62, which is naturally shaded from any sunlight by the upper portion 61 of child transportation device 60.
  • the alarm buzzer/lights and the communication unit may also be located on printed circuit board 80, although components of temperature monitoring device 40 (other than the temperature sensor) may be located elsewhere on or in the child transportation device.
  • the child transportation device may include a carbon monoxide sensor that, like the temperature sensor, has its output sent to the microprocessor so that an alarm can be sounded if the carbon monoxide level in the motor vehicle exceeds a predetermined threshold value.
  • a temperature monitoring device could be located in a small portable case with a temperature display.
  • the case could be configured as a stand-alone temperature monitor, display, and alarm.
  • the case could also be constructed and arranged to be clipped or otherwise fastened to a child transportation device, for example a car seat or a stroller, so as to monitor the ambient temperature proximate the child.
  • Fig. 7 is a flow chart illustrating steps involved in temperature measurement and alarm generation method 90.
  • the temperature sensor collects data, and the data is passed to the microprocessor, step 94. If the temperature is greater than the present, step 96, the microprocessor commands the alarm to initiate and monitoring continues. If the temperature is less than the threshold, the data is logged and monitoring continues.
  • the thresholds can be low and/or high temperature settings.
  • the system can monitor temperature increase over time (i.e., rate of change of temperature) . If the rate of change is high (e.g., at least 1.5 C per minute) , then a separate alarm can be given, such as by transmitting a message that the car is heating up at a fast rate and the child should be monitored.
  • the rate of change can be combined with the actual temperature to develop a particular warning. For example, if the car is hot and the rate of change is high, there can be a dire warning. But if the temperature is not high and rate of change is high, there can be an initial warning about the car heating up too fast.
  • Elements of figures are shown and described as discrete elements in a block diagram. These may be implemented as one or more of analog circuitry or digital circuitry. Alternatively, or additionally, they may be implemented with one or more microprocessors executing software instructions.
  • the software instructions can include digital signal processing instructions. Operations may be performed by analog circuitry or by a microprocessor executing software that performs the equivalent of the analog operation.
  • Signal lines may be implemented as discrete analog or digital signal lines, as a discrete digital signal line with appropriate signal processing that is able to process separate signals, and/or as elements of a wireless communication system.
  • the steps may be performed by one element or a plurality of elements. The steps may be performed together or at different times.
  • the elements that perform the activities may be physically the same or proximate one another, or may be physically separate.
  • One element may perform the actions of more than one block.

Abstract

A child transportation device that includes a child seat (100,60) with a sloped back section (5,62), and a temperature monitoring unit (50) that is constructed and arranged to determine an ambient temperature. The temperature monitoring unit (50) includes a temperature sensor located under the sloped back section (5,62) of the child seat (100,60). The device can give an alarm automatically to prompt the parents when the temperature is higher than the set value, thereby, it can avoid accidental injury.

Description

CHILDĀ TRANSPORTATIONĀ DEVICEĀ TEMPERATUREĀ SENSING BACKGROUND
ThisĀ disclosureĀ relatesĀ toĀ aĀ childĀ transportationĀ deviceĀ suchĀ asĀ aĀ childĀ safetyĀ seatļ¼ŒĀ withĀ theĀ abilityĀ toĀ detectĀ theĀ ambientĀ temperature.
AĀ carĀ childĀ safetyĀ seatļ¼ŒĀ whichĀ isĀ alsoĀ aĀ childĀ restraintĀ systemļ¼ŒĀ isĀ aĀ seatĀ whichĀ isĀ speciallyĀ designedĀ forĀ childrenĀ atĀ differentĀ agesĀ (orĀ ofĀ differentĀ weights)Ā ļ¼ŒĀ isĀ mountedĀ inĀ aĀ motorĀ vehicleĀ andĀ canĀ improveĀ childrenā€²sĀ car-ridingĀ safetyĀ efficiently.Ā WhenĀ aĀ carĀ isĀ inĀ collisionĀ orĀ slowsĀ downĀ suddenlyļ¼ŒĀ theĀ childĀ safetyĀ seatĀ canĀ reduceĀ injuriesĀ toĀ theĀ childĀ byĀ slowingĀ downĀ theĀ impactĀ forceĀ onĀ theĀ childĀ andĀ byĀ restrainingĀ theĀ bodyĀ movementĀ ofĀ theĀ childļ¼ŒĀ therebyĀ increasingĀ theĀ car-ridingĀ safetyĀ ofĀ theĀ child.Ā Howeverļ¼ŒĀ existingĀ childĀ safetyĀ seatsĀ areĀ relativelyĀ limitedĀ inĀ functionĀ andĀ typicallyĀ doĀ notĀ monitorĀ theĀ in-carĀ temperatureĀ toĀ protectĀ theĀ childĀ fromĀ temperature-relatedĀ injuries.Ā SomeĀ carelessĀ parentsĀ leaveĀ theirĀ childrenĀ inĀ carsĀ alone.Ā TheĀ temperatureĀ inĀ theĀ carĀ inĀ sunlightĀ canĀ riseĀ rapidlyĀ andĀ heatĀ theĀ carĀ toĀ aĀ pointĀ thatĀ theĀ childĀ canĀ beĀ injuredĀ orĀ killed.
SUMMARY
AllĀ examplesĀ andĀ featuresĀ mentionedĀ belowĀ canĀ beĀ combinedĀ inĀ anyĀ technicallyĀ possibleĀ way.
InĀ oneĀ aspectļ¼ŒĀ aĀ childĀ transportationĀ deviceĀ includesĀ aĀ childĀ seatĀ withĀ aĀ slopedĀ backĀ sectionļ¼ŒĀ andĀ aĀ temperatureĀ monitoringĀ unitĀ thatĀ isĀ constructedĀ andĀ arrangedĀ toĀ determineĀ anĀ ambientĀ temperatureļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ comprisesĀ aĀ temperatureĀ sensorĀ locatedĀ underĀ theĀ slopedĀ backĀ sectionĀ ofĀ theĀ childĀ seat.
EmbodimentsĀ mayĀ includeĀ oneĀ ofĀ theĀ followingĀ featuresļ¼ŒĀ orĀ anyĀ combinationĀ thereof.Ā TheĀ childĀ seatĀ mayĀ compriseĀ aĀ handĀ basket.Ā TheĀ temperatureĀ sensorĀ mayĀ beĀ underĀ aĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basket.Ā TheĀ temperatureĀ sensorĀ mayĀ beĀ underĀ anĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basket.Ā TheĀ temperatureĀ sensorĀ mayĀ beĀ mountedĀ toĀ aĀ printedĀ circuitĀ boardĀ thatĀ isĀ  locatedĀ behindĀ aĀ coverĀ thatĀ isĀ partĀ ofĀ theĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basket.Ā TheĀ coverĀ mayĀ haveĀ anĀ openingļ¼ŒĀ soĀ thatĀ theĀ temperatureĀ sensorĀ isĀ exposedĀ toĀ ambientĀ air.
EmbodimentsĀ mayĀ includeĀ oneĀ ofĀ theĀ followingĀ featuresļ¼ŒĀ orĀ anyĀ combinationĀ thereof.Ā TheĀ childĀ transportationĀ deviceĀ mayĀ furtherĀ compriseĀ aĀ temperatureĀ monitoringĀ deviceĀ thatĀ comprisesĀ theĀ temperatureĀ monitoringĀ unit.Ā TheĀ temperatureĀ monitoringĀ deviceĀ mayĀ furtherĀ compriseĀ aĀ microprocessorĀ andĀ anĀ alarmĀ unitļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ andĀ theĀ alarmĀ unitĀ areĀ operablyĀ connectedĀ toĀ theĀ microprocessor.Ā TheĀ childĀ seatĀ mayĀ compriseĀ aĀ handĀ basketļ¼ŒĀ andĀ theĀ temperatureĀ sensorĀ mayĀ beĀ underĀ anĀ outerĀ surfaceĀ ofĀ aĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basket.Ā TheĀ temperatureĀ sensorĀ mayĀ beĀ mountedĀ toĀ aĀ printedĀ circuitĀ boardĀ thatĀ isĀ locatedĀ behindĀ aĀ coverĀ thatĀ isĀ partĀ ofĀ theĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basketļ¼ŒĀ andĀ theĀ coverĀ mayĀ haveĀ anĀ openingļ¼ŒĀ soĀ thatĀ theĀ temperatureĀ sensorĀ isĀ exposedĀ toĀ ambientĀ air.Ā TheĀ microprocessorĀ mayĀ beĀ configuredĀ toĀ provideĀ anĀ alarmĀ whenĀ theĀ ambientĀ temperatureĀ isĀ outsideĀ ofĀ aĀ predeterminedĀ temperatureĀ range.Ā TheĀ alarmĀ mayĀ compriseĀ atĀ leastĀ oneĀ ofĀ anĀ audibleĀ alarmĀ fromĀ theĀ alarmĀ unitļ¼ŒĀ aĀ visibleĀ alarmĀ fromĀ theĀ alarmĀ unitļ¼ŒĀ andĀ anĀ alarmĀ signalĀ sentĀ byĀ aĀ communicationĀ unitĀ ofĀ theĀ temperatureĀ monitoringĀ device.
EmbodimentsĀ mayĀ includeĀ oneĀ ofĀ theĀ followingĀ featuresļ¼ŒĀ orĀ anyĀ combinationĀ thereof.Ā TheĀ childĀ transportationĀ deviceĀ mayĀ furtherĀ compriseĀ anĀ occupancyĀ sensorĀ thatĀ isĀ adaptedĀ toĀ determineĀ ifĀ aĀ childĀ isĀ inĀ theĀ childĀ transportationĀ device.Ā TheĀ temperatureĀ monitoringĀ unitĀ mayĀ beĀ operablyĀ coupledĀ toĀ theĀ occupancyĀ sensorļ¼ŒĀ suchĀ thatĀ ambientĀ temperatureĀ isĀ notĀ sensedĀ ifnoĀ childĀ isĀ locatedĀ inĀ theĀ childĀ transportationĀ device.Ā TheĀ occupancyĀ sensorĀ mayĀ compriseĀ oneĀ orĀ moreĀ ofĀ anĀ infraredĀ sensorĀ andĀ aĀ pressureĀ sensor.
InĀ anotherĀ aspectļ¼ŒĀ aĀ childĀ transportationĀ deviceĀ includesĀ aĀ childĀ seatĀ comprisingĀ aĀ handĀ basketļ¼ŒĀ andĀ aĀ temperatureĀ monitoringĀ deviceĀ comprisingĀ aĀ temperatureĀ monitoringĀ unitĀ thatĀ isĀ constructedĀ andĀ arrangedĀ toĀ determineĀ anĀ ambientĀ temperatureļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ comprisesĀ aĀ temperatureĀ sensorĀ locatedĀ underĀ anĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basket.Ā TheĀ temperatureĀ monitoringĀ deviceĀ furtherĀ comprisesĀ aĀ microprocessorĀ andĀ anĀ alarmĀ unitļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ andĀ theĀ alarmĀ unitĀ areĀ operablyĀ coupledĀ toĀ theĀ microprocessor.
EmbodimentsĀ mayĀ includeĀ oneĀ ofĀ theĀ aboveĀ and/orĀ belowĀ featuresļ¼ŒĀ orĀ anyĀ combinationĀ thereof.Ā TheĀ temperatureĀ monitoringĀ unitĀ mayĀ beĀ mountedĀ toĀ aĀ printedĀ circuitĀ boardĀ thatĀ isĀ locatedĀ behindĀ aĀ coverĀ thatĀ isĀ partĀ ofĀ theĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basketļ¼ŒĀ andĀ theĀ coverĀ mayĀ haveĀ anĀ openingļ¼ŒĀ soĀ thatĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ exposedĀ toĀ ambientĀ air.Ā TheĀ childĀ transportationĀ deviceĀ mayĀ furtherĀ compriseĀ anĀ occupancyĀ sensorĀ thatĀ isĀ adaptedĀ toĀ determineĀ ifĀ aĀ childĀ isĀ inĀ theĀ childĀ transportationĀ deviceļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ operablyĀ coupledĀ toĀ theĀ occupancyĀ sensorļ¼ŒĀ suchĀ thatĀ ambientĀ temperatureĀ isĀ notĀ sensedĀ ifĀ noĀ childĀ isĀ locatedĀ inĀ theĀ childĀ transportationĀ device.
InĀ anotherĀ aspectļ¼ŒĀ aĀ childĀ transportationĀ deviceĀ includesĀ aĀ childĀ seatĀ comprisingĀ aĀ handĀ basketļ¼ŒĀ andĀ aĀ temperatureĀ monitoringĀ deviceĀ comprisingĀ aĀ temperatureĀ monitoringĀ unitĀ thatĀ isĀ constructedĀ andĀ arrangedĀ toĀ determineĀ anĀ ambientĀ temperatureļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ comprisesĀ aĀ temperatureĀ sensorĀ locatedĀ underĀ anĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basketļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ mountedĀ toĀ aĀ printedĀ circuitĀ boardĀ thatĀ isĀ locatedĀ behindĀ aĀ coverĀ thatĀ isĀ partĀ ofĀ theĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basketļ¼ŒĀ andĀ whereinĀ theĀ coverĀ hasĀ anĀ openingļ¼ŒĀ soĀ thatĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ exposedĀ toĀ ambientĀ air.Ā TheĀ temperatureĀ monitoringĀ deviceĀ furtherĀ comprisesĀ aĀ microprocessorĀ andĀ anĀ alarmĀ unitļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ andĀ theĀ alarmĀ unitĀ areĀ operablyĀ coupledĀ toĀ theĀ microprocessor.Ā ThereĀ isĀ anĀ occupancyĀ sensorĀ thatĀ comprisesĀ oneĀ orĀ moreĀ ofĀ anĀ infraredĀ sensorĀ andĀ aĀ pressureĀ sensorļ¼ŒĀ whereinĀ theĀ occupancyĀ sensorĀ isĀ adaptedĀ toĀ determineĀ ifĀ aĀ childĀ isĀ inĀ theĀ childĀ transportationĀ device.Ā TheĀ temperatureĀ monitoringĀ unitĀ isĀ operablyĀ coupledĀ toĀ theĀ occupancyĀ sensorļ¼ŒĀ suchĀ thatĀ ambientĀ temperatureĀ isĀ notĀ sensedĀ ifĀ noĀ childĀ isĀ locatedĀ inĀ theĀ childĀ transportationĀ device.Ā TheĀ microprocessorĀ isĀ configuredĀ toĀ provideĀ anĀ alarmĀ whenĀ theĀ ambientĀ temperatureĀ isĀ outsideĀ ofĀ aĀ predeterminedĀ temperatureĀ rangeļ¼ŒĀ whereinĀ theĀ alarmĀ comprisesĀ atĀ leastĀ oneĀ ofĀ anĀ audibleĀ alarmĀ fromĀ theĀ alarmĀ unitļ¼ŒĀ aĀ visibleĀ alarmĀ fromĀ theĀ alarmĀ unitļ¼ŒĀ andĀ anĀ alarmĀ signalĀ sentĀ byĀ aĀ communicationĀ unitĀ ofĀ theĀ temperatureĀ monitoringĀ device.
BRIEFĀ DESCRIPTIONĀ OFĀ THEĀ DRAWINGS
Fig.Ā 1Ā isĀ aĀ disassembledĀ perspectiveĀ viewĀ ofĀ aĀ childĀ transportationĀ deviceĀ thatĀ includesĀ aĀ childĀ seatĀ andĀ aĀ base.
Fig.Ā 2AĀ isĀ aĀ perspectiveĀ viewĀ andĀ fig.Ā 2BĀ isĀ aĀ sideĀ viewĀ ofĀ theĀ childĀ seatĀ ofĀ fig.Ā 1.
Fig.Ā 3Ā isĀ aĀ sideĀ viewĀ ofĀ aĀ childĀ transportationĀ deviceĀ thatĀ isĀ aĀ stroller.
Fig.Ā 4Ā isĀ aĀ functionalĀ blockĀ diagramĀ ofĀ aĀ temperatureĀ monitoringĀ device.
Fig.Ā 5AĀ isĀ aĀ rearĀ viewĀ ofĀ theĀ childĀ seatĀ ofĀ figs.Ā 1Ā andĀ 2.
Fig.Ā 5BĀ isĀ anĀ enlargedĀ viewĀ ofĀ theĀ temperatureĀ monitoringĀ unitĀ coverĀ ofĀ fig.Ā 5A.
Fig.Ā 6Ā isĀ aĀ side-viewĀ ofĀ aĀ childĀ seatĀ mountedĀ onĀ theĀ backĀ seatĀ ofĀ aĀ motorĀ vehicle.
Fig.Ā 7Ā isĀ aĀ flowĀ chartĀ illustratingĀ stepsĀ involvedĀ inĀ temperatureĀ measurementĀ andĀ alarmĀ generation.
DETAILEDĀ DESCRIPTION
TheĀ disclosureĀ aimsĀ atĀ overcomingĀ disadvantagesĀ inĀ theĀ priorĀ artĀ andĀ providesĀ aĀ childĀ safetyĀ seatĀ withĀ temperatureĀ monitoring.Ā AĀ temperatureĀ monitoringĀ deviceĀ isĀ arrangedĀ onĀ theĀ seatĀ bodyĀ toĀ monitorĀ theĀ temperatureĀ inĀ theĀ carĀ inĀ realĀ timeļ¼ŒĀ andĀ toĀ giveĀ anĀ alarmĀ toĀ notifyĀ aĀ responsibleĀ adultĀ whenĀ theĀ temperatureĀ isĀ higherĀ thanĀ aĀ set-point.
InĀ orderĀ toĀ realizeĀ theĀ purposeļ¼ŒĀ theĀ technicalĀ schemeĀ mayĀ beĀ asĀ follows.Ā TheĀ childĀ safetyĀ seatĀ withĀ temperatureĀ monitoringĀ mayĀ compriseĀ aĀ baseĀ andĀ aĀ handĀ basket.Ā TheĀ handĀ basketĀ mayĀ beĀ movablyĀ connectedĀ withĀ theĀ base.Ā TheĀ handĀ basketĀ mayĀ beĀ providedĀ withĀ aĀ temperatureĀ monitoringĀ device.Ā TheĀ temperatureĀ monitoringĀ deviceĀ mayĀ compriseĀ aĀ temperatureĀ monitoringĀ unitļ¼ŒĀ aĀ microprocessorļ¼ŒĀ andĀ anĀ alarmĀ unit.Ā TheĀ temperatureĀ monitoringĀ unitĀ andĀ theĀ alarmĀ unitĀ mayĀ beĀ operablyĀ connectedĀ toĀ theĀ microprocessor.Ā TheĀ temperatureĀ monitoringĀ unitĀ mayĀ beĀ usedĀ toĀ monitorĀ theĀ airĀ temperatureĀ andĀ transmitĀ theĀ monitoredĀ dataĀ toĀ theĀ microprocessor.Ā TheĀ microprocessorĀ receivesĀ theĀ temperatureĀ dataĀ andĀ calculatesĀ theĀ temperature.Ā ThereĀ mayĀ beĀ aĀ displayĀ unitĀ thatĀ displaysĀ theĀ temperature.Ā TheĀ microprocessorĀ controlsĀ theĀ alarmĀ unitĀ toĀ giveĀ aĀ visualĀ and/orĀ audibleĀ alarmĀ accordingĀ toĀ aĀ presetĀ temperatureĀ rangeĀ whenĀ theĀ monitoredĀ temperatureĀ isĀ notĀ withinĀ theĀ presetĀ temperatureĀ range.
Preferablyļ¼ŒĀ theĀ temperatureĀ monitoringĀ deviceĀ furtherĀ comprisesĀ aĀ communicationĀ unitļ¼ŒĀ andĀ theĀ communicationĀ unitĀ isĀ usedĀ forĀ synchronouslyĀ transmittingĀ theĀ temperatureĀ dataĀ toĀ oneĀ orĀ moreĀ thirdĀ partiesļ¼ŒĀ suchĀ asĀ aĀ clientĀ residentĀ inĀ aĀ mobileĀ deviceĀ suchĀ asĀ aĀ tabletĀ orĀ smartphone.
Preferablyļ¼ŒĀ theĀ temperatureĀ monitoringĀ deviceĀ furtherĀ comprisesĀ aĀ powerĀ managementĀ unitļ¼ŒĀ andĀ theĀ powerĀ managementĀ unitĀ isĀ usedĀ forĀ providingĀ aĀ powerĀ sourceĀ toĀ theĀ temperatureĀ monitoringĀ device.
Preferablyļ¼ŒĀ atĀ leastĀ oneĀ temperatureĀ sensingĀ unitĀ isĀ providedļ¼ŒĀ andĀ theĀ temperatureĀ sensingĀ unitĀ comprisesĀ aĀ temperatureĀ sensor.
Preferablyļ¼ŒĀ theĀ seatĀ bodyĀ furtherĀ comprisesĀ atĀ leastĀ oneĀ infraredĀ sensorĀ orĀ anotherĀ typeĀ ofĀ child-presenceĀ sensorĀ thatĀ isĀ constructedĀ andĀ arrangedĀ toĀ senseĀ theĀ presenceĀ ofĀ aĀ childĀ inĀ theĀ childĀ transportationĀ device.
Preferablyļ¼ŒĀ theĀ alarmĀ unitĀ comprisesĀ aĀ voiceĀ alarmĀ andĀ aĀ buzzerĀ alarm.
Preferablyļ¼ŒĀ theĀ displayĀ unitĀ (whenĀ present)Ā isĀ anĀ LEDĀ displayĀ screenĀ orĀ aĀ liquidĀ crystalĀ displayĀ screenĀ mountedĀ toĀ anĀ outsideĀ surfaceĀ ofĀ theĀ childĀ transportationĀ device.
Preferablyļ¼ŒĀ theĀ communicationĀ unitĀ comprisesĀ aĀ mobileĀ communicationĀ unitļ¼ŒĀ suchĀ asĀ aĀ BluetoothĀ unitĀ orĀ aĀ BluetoothĀ Low-EnergyĀ (BLE)Ā unit.
TheĀ disclosureĀ hasĀ theĀ beneficialĀ effectsĀ thatĀ theĀ childĀ safetyĀ seatĀ withĀ temperatureĀ monitoringĀ canĀ monitorĀ theĀ temperatureĀ inĀ theĀ carĀ automaticallyļ¼ŒĀ andĀ canĀ giveĀ anĀ alarmĀ automaticallyĀ toĀ promptĀ theĀ parentĀ whenĀ theĀ temperatureĀ isĀ higherĀ thanĀ theĀ setĀ valueļ¼ŒĀ therebyĀ helpingĀ toĀ avoidĀ accidentalĀ injury.
TheĀ childĀ safetyĀ seatĀ withĀ temperatureĀ monitoringĀ disclosedĀ hereinĀ mayĀ compriseĀ aĀ seatĀ bodyļ¼›Ā aĀ temperatureĀ monitoringĀ deviceĀ isĀ arrangedĀ onĀ theĀ seatĀ bodyļ¼›Ā theĀ temperatureĀ monitoringĀ deviceĀ comprisesĀ aĀ temperatureĀ monitoringĀ unitļ¼ŒĀ aĀ microprocessorļ¼ŒĀ anĀ optionalĀ displayĀ unitļ¼ŒĀ andĀ anĀ alarmĀ unit.Ā TheĀ temperatureĀ monitoringĀ unitĀ collectsĀ temperatureĀ dataĀ inĀ theĀ motorĀ vehicleĀ (e.g.ļ¼ŒĀ aĀ car)Ā ļ¼ŒĀ convertsĀ theĀ temperatureĀ dataĀ intoĀ digitalĀ signalsĀ andĀ transmitsĀ theĀ  digitalĀ signalsĀ toĀ theĀ microprocessor.Ā TheĀ microprocessorĀ receivesĀ theĀ digitalĀ signalsļ¼ŒĀ andĀ processesĀ andĀ calculatesĀ theĀ dataĀ toĀ obtainĀ theĀ temperature.Ā TheĀ displayĀ unitĀ displaysĀ theĀ temperatureĀ andĀ allowsĀ theĀ parentĀ toĀ checkĀ theĀ temperatureĀ atĀ anyĀ time.Ā Meanwhileļ¼ŒĀ theĀ highestĀ valueĀ and/orĀ theĀ lowestĀ valueĀ ofĀ aĀ temperatureĀ rangeĀ areĀ setĀ inĀ advanceļ¼›Ā whenĀ theĀ temperatureĀ isĀ outsideĀ ofĀ theĀ temperatureĀ rangeļ¼ŒĀ theĀ microprocessorĀ commandsĀ theĀ alarmĀ unitĀ toĀ giveĀ anĀ alarmĀ toĀ remindĀ theĀ parentĀ toĀ protectĀ theĀ safetyĀ ofĀ theĀ childĀ inĀ aĀ betterĀ manner.Ā TheĀ microprocessorĀ storesĀ theĀ collectedĀ dataĀ forĀ subsequentĀ dataĀ observation.
TheĀ temperatureĀ monitoringĀ deviceĀ furtherĀ comprisesĀ aĀ communicationĀ unitļ¼ŒĀ andĀ anĀ optionalĀ powerĀ managementĀ unit.Ā TheĀ communicationĀ unitĀ comprisesĀ aĀ BluetoothĀ unitĀ usedĀ forĀ synchronouslyĀ transmittingĀ data.Ā ResponsibleĀ adultsĀ suchĀ asĀ aĀ parentĀ canĀ downloadĀ aĀ softwareĀ applicationĀ (anĀ app)Ā forĀ theĀ childĀ seatĀ withĀ temperatureĀ monitoringļ¼ŒĀ onĀ aĀ deviceĀ suchĀ asĀ aĀ smartphoneĀ orĀ aĀ tablet.Ā TheĀ seatĀ systemĀ mayĀ alsoĀ includeĀ anĀ activeĀ keyĀ fob.Ā TheĀ keyĀ fobĀ mayĀ haveĀ oneĀ orĀ bothĀ ofĀ RFĀ andĀ BluetoothĀ communicationsĀ capabilityļ¼ŒĀ andĀ oneĀ orĀ bothĀ ofĀ aĀ speakerĀ andĀ anĀ LEDĀ forĀ indicatingĀ alarmĀ conditions.
WhenĀ theĀ childĀ isĀ leftĀ inĀ theĀ carĀ aloneĀ andĀ theĀ distanceĀ ofĀ theĀ mobileĀ phoneĀ and/orĀ theĀ keyĀ fobĀ fromĀ theĀ seatĀ isĀ beyondĀ aĀ certainĀ rangeļ¼ŒĀ theĀ signalĀ transmittedĀ byĀ theĀ RFĀ orĀ BluetoothĀ unitĀ isĀ interruptedļ¼ŒĀ andĀ theĀ microprocessorĀ commandsĀ theĀ alarmĀ unitĀ toĀ giveĀ anĀ alarm.Ā TheĀ alarmĀ canĀ alsoĀ beĀ sentĀ toĀ theĀ phoneĀ and/orĀ theĀ keyĀ fob.Ā SinceĀ theĀ keyĀ fobĀ isĀ usuallyĀ carriedĀ awayĀ whenĀ aĀ driverĀ leavesĀ aĀ carļ¼ŒĀ theĀ keyĀ fobĀ mayĀ beĀ aĀ moreĀ reliableĀ indicatorĀ thanĀ theĀ phoneļ¼ŒĀ thatĀ theĀ parentĀ hasĀ leftĀ theĀ carļ¼ŒĀ withĀ theĀ childĀ inĀ theĀ car.Ā TheĀ mobileĀ deviceĀ ofĀ theĀ parentĀ mayĀ receiveĀ relatedĀ informationĀ toĀ remindĀ theĀ parentĀ toĀ preventĀ leavingĀ theĀ childĀ inĀ theĀ carĀ alone.Ā TheĀ powerĀ managementĀ unitĀ isĀ usedĀ forĀ providingĀ powerĀ toĀ theĀ temperatureĀ monitoringĀ deviceļ¼›Ā ofĀ courseļ¼ŒĀ theĀ temperatureĀ monitoringĀ deviceĀ canĀ alsoĀ beĀ poweredĀ byĀ solarĀ energyĀ orĀ aĀ commonĀ batteryļ¼›Ā andĀ theĀ wholeĀ temperatureĀ monitoringĀ deviceĀ isĀ lowĀ inĀ energyĀ consumptionĀ andĀ highĀ inĀ safety.
InĀ additionļ¼ŒĀ theĀ temperatureĀ monitoringĀ deviceĀ mayĀ furtherĀ compriseĀ atĀ leastĀ anĀ infraredĀ sensorļ¼ŒĀ aĀ pressureĀ sensorļ¼ŒĀ and/orĀ anotherĀ typeĀ ofĀ childĀ presenceĀ sensorļ¼ŒĀ usedĀ forĀ monitoringĀ whetherĀ theĀ childĀ isĀ inĀ theĀ seat.Ā WhenĀ aĀ childĀ isĀ placedĀ inĀ theĀ carļ¼ŒĀ theĀ presenceĀ ofĀ theĀ childĀ isĀ detectedĀ throughĀ theĀ infraredĀ sensorļ¼ŒĀ andĀ theĀ sensorĀ dataĀ isĀ transmittedĀ toĀ theĀ microprocessor.Ā TheĀ microprocessorĀ receivesĀ theĀ dataĀ andĀ startsĀ upĀ theĀ wholeĀ temperatureĀ  monitoringĀ deviceĀ toĀ monitorĀ theĀ temperatureĀ andĀ storeĀ theĀ monitoredĀ data.Ā WhenĀ thereĀ isĀ noĀ babyĀ inĀ theĀ seatļ¼ŒĀ theĀ infraredĀ sensorĀ doesĀ notĀ sendĀ anyĀ informationĀ toĀ theĀ microprocessorļ¼ŒĀ asĀ theĀ presenceĀ ofĀ theĀ childĀ isĀ notĀ sensed.Ā InĀ thisĀ stateļ¼ŒĀ theĀ temperatureĀ controlĀ processingĀ unitĀ controlsĀ theĀ wholeĀ temperatureĀ monitoringĀ deviceĀ toĀ stopĀ workingļ¼ŒĀ whichĀ savesĀ batteryĀ power.
TheĀ temperatureĀ monitoringĀ unitĀ preferablyĀ comprisesĀ aĀ temperatureĀ sensor.Ā TheĀ temperatureĀ sensorĀ isĀ preferablyĀ aĀ non-contactĀ typeĀ sensor.
TheĀ alarmĀ unitĀ preferablyĀ comprisesĀ aĀ voiceĀ alarmĀ andĀ aĀ buzzerĀ alarm.Ā WhenĀ theĀ temperatureĀ isĀ higherĀ thanĀ theĀ presetĀ valueļ¼ŒĀ theĀ voiceĀ alarmĀ sendsĀ outĀ aĀ voiceĀ broadcastļ¼ŒĀ andĀ theĀ buzzerĀ alarmĀ simultaneouslyĀ sendsĀ outĀ anĀ alarmĀ soundĀ toĀ alertĀ theĀ parent.
TheĀ displayĀ unitļ¼ŒĀ whenĀ presentļ¼ŒĀ mayĀ beĀ anĀ LEDĀ displayĀ screenĀ orĀ aĀ liquidĀ crystalĀ displayĀ screen.Ā TheĀ temperatureĀ isĀ displayedĀ onĀ theĀ displayĀ screenļ¼ŒĀ soĀ thatĀ theĀ parentĀ canĀ observeĀ theĀ temperatureĀ inĀ theĀ carĀ atĀ anyĀ timeĀ andĀ canĀ addĀ orĀ reduceĀ clothesĀ ofĀ theĀ childĀ suitably.Ā TheĀ temperatureĀ dataĀ canĀ beĀ transmittedĀ toĀ aĀ clientĀ onĀ aĀ mobileĀ deviceļ¼ŒĀ soĀ theĀ temperatureĀ canĀ beĀ observedĀ apartĀ fromĀ theĀ seat.
InĀ oneĀ specificĀ embodimentļ¼ŒĀ theĀ presetĀ temperatureĀ ofĀ theĀ temperatureĀ monitoringĀ deviceĀ shallĀ notĀ exceedĀ theĀ presetĀ valueĀ suchĀ asĀ 38ā„ƒ.Ā WhenĀ theĀ infraredĀ sensorĀ monitorsĀ theĀ presenceĀ ofĀ theĀ childļ¼ŒĀ theĀ microprocessorĀ receivesĀ theĀ presenceĀ signalsļ¼ŒĀ andĀ enablesĀ theĀ temperatureĀ sensorĀ toĀ collectĀ theĀ temperatureĀ dataĀ inĀ theĀ carĀ andĀ transmitĀ theĀ temperatureĀ dataĀ toĀ theĀ microprocessor.Ā TheĀ microprocessorĀ comparesĀ theĀ currentĀ temperatureĀ toĀ theĀ presetĀ temperatureĀ (s)Ā ļ¼ŒĀ andĀ commandsĀ anĀ alarmĀ fromĀ theĀ alarmĀ unitĀ whenĀ theĀ temperatureĀ dataĀ collectedĀ inĀ theĀ carĀ isĀ greaterĀ thanĀ theĀ presetĀ highĀ valueĀ orĀ lowerĀ thanĀ theĀ presetĀ lowĀ value.Ā TheĀ alarmĀ unitĀ sendsĀ outĀ aĀ voiceĀ broadcastĀ andĀ theĀ alarmĀ soundĀ atĀ theĀ sameĀ timeļ¼ŒĀ toĀ alertĀ theĀ parentĀ toĀ attendĀ toĀ theĀ child.
TheĀ temperatureĀ monitoringĀ deviceĀ ofĀ theĀ childĀ safetyĀ seatĀ withĀ temperatureĀ monitoringĀ disclosedĀ hereinĀ isĀ alsoĀ suitableĀ forĀ seatsĀ orĀ otherĀ devicesĀ whichĀ areĀ usedĀ toĀ carryĀ orĀ transportĀ childrenĀ suchĀ asĀ anĀ infantĀ carrierļ¼ŒĀ aĀ strollerļ¼ŒĀ andĀ aĀ childĀ bicycleĀ seat.Ā TheĀ temperatureĀ monitoringĀ deviceĀ canĀ beĀ arrangedĀ onĀ theĀ handĀ basketĀ orĀ theĀ strollerĀ orĀ theĀ bicycleĀ seatĀ toĀ detectĀ  whetherĀ theĀ environmentalĀ temperatureĀ isĀ suitableĀ forĀ theĀ childĀ andĀ toĀ giveĀ anĀ alarmĀ whenĀ theĀ environmentalĀ temperatureĀ isĀ notĀ suitableĀ forĀ theĀ child.
Specificļ¼ŒĀ non-limitingĀ examplesĀ ofĀ theĀ childĀ transportationĀ deviceĀ temperatureĀ sensingļ¼ŒĀ areĀ shownĀ inĀ theĀ drawings.Ā TheseĀ examplesĀ serveĀ toĀ illustrateĀ featuresĀ andĀ conceptsļ¼ŒĀ butĀ doĀ notĀ limitĀ theĀ scopeĀ ofĀ theĀ invention.
Fig.Ā 1Ā illustratesĀ anĀ exemplaryĀ childĀ transportationĀ deviceĀ (childĀ seat)Ā 100Ā thatĀ comprisesĀ handĀ basketĀ 1Ā thatĀ isĀ adaptedĀ toĀ fitĀ anĀ infantĀ orĀ childļ¼ŒĀ withĀ pivotingĀ carryĀ handleĀ 12.Ā AsĀ isĀ well-knownļ¼ŒĀ theĀ basketĀ canĀ beĀ carriedĀ byĀ graspingĀ theĀ handleĀ andĀ liftingĀ theĀ basketĀ offĀ theĀ groundĀ orĀ otherĀ surfaceĀ onĀ whichĀ theĀ childĀ seatĀ isĀ located.Ā BasketĀ 1Ā canĀ beĀ releasablyĀ coupledĀ toĀ baseĀ 2.Ā InĀ generalļ¼ŒĀ childĀ seatsĀ areĀ knownĀ inĀ theĀ artļ¼ŒĀ soĀ certainĀ detailsĀ ofĀ theĀ seatĀ willĀ notĀ beĀ describedĀ herein.Ā AsĀ bestĀ shownĀ inĀ figs.Ā 2AĀ andĀ 2Bļ¼ŒĀ basketĀ 1Ā includesĀ shellĀ 6Ā withĀ frontĀ portionĀ 4ļ¼ŒĀ rearĀ portionĀ 3ļ¼ŒĀ andĀ lowerĀ rearĀ portionĀ 5.Ā AsĀ shownĀ inĀ fig.Ā 3ļ¼ŒĀ basketĀ 1Ā canĀ alsoĀ beĀ removablyĀ mountedĀ toĀ strollerĀ frameĀ 30Ā toĀ createĀ aĀ childĀ strollerĀ 300.Ā ThisĀ disclosureĀ isĀ notĀ limitedĀ toĀ anyĀ particularĀ typeĀ ofĀ childĀ transportationĀ deviceļ¼ŒĀ orĀ toĀ anyĀ particularĀ typeĀ ofĀ childĀ seatĀ orĀ basketļ¼ŒĀ asĀ theĀ disclosureĀ relatesĀ toĀ temperatureĀ sensingĀ inĀ aĀ childĀ transportationĀ device.
Fig.Ā 4Ā detailsĀ oneĀ non-limitingĀ exampleĀ ofĀ aĀ temperatureĀ monitoringĀ deviceĀ forĀ theĀ childĀ transportationĀ device.Ā TemperatureĀ monitoringĀ deviceĀ 40Ā includesĀ temperatureĀ monitoringĀ unitĀ 50Ā thatĀ isĀ placedĀ suchĀ thatĀ itĀ isĀ ableĀ toĀ senseĀ theĀ ambientĀ temperatureĀ inļ¼ŒĀ onļ¼ŒĀ orĀ proximateĀ theĀ childĀ transportationĀ device.Ā PlacementĀ detailsĀ areĀ setĀ forthĀ elsewhere.Ā TemperaturesĀ dataĀ fromĀ temperatureĀ monitoringĀ unitĀ 50Ā areĀ providedĀ toĀ microprocessorĀ 42.Ā MicroprocessorĀ 42Ā alsoĀ controlsĀ optionalĀ displayĀ unitĀ 44ļ¼ŒĀ andĀ communicationĀ unitĀ 46.Ā PowerĀ managementĀ unitĀ 48Ā providesĀ powerĀ toĀ microprocessorĀ 42ļ¼ŒĀ optionalĀ displayĀ unitĀ 44ļ¼ŒĀ andĀ communicationĀ unitĀ 46ļ¼ŒĀ andĀ alsoĀ mayĀ provideĀ powerĀ toĀ theĀ otherĀ functionalĀ unitsĀ depictedĀ inĀ fig.Ā 4.Ā InfraredĀ sensorĀ 52Ā mayĀ beĀ usedĀ toĀ senseĀ theĀ presenceĀ ofĀ aĀ childĀ inĀ theĀ childĀ transportationĀ device.Ā OccupancyĀ sensorĀ 54Ā mayĀ alsoĀ orĀ alternativelyĀ beĀ usedĀ toĀ senseĀ theĀ presenceĀ ofĀ aĀ childĀ inĀ theĀ childĀ transportationĀ device.Ā OccupancyĀ sensorĀ 54Ā mayĀ beĀ aĀ typeĀ ofĀ sensorĀ otherĀ thanĀ anĀ infraredĀ sensorļ¼ŒĀ forĀ exampleĀ aĀ weightĀ sensorĀ orĀ pressureĀ sensorĀ thatĀ detectsĀ whenĀ aĀ childĀ isĀ inĀ theĀ childĀ transportationĀ deviceļ¼ŒĀ orĀ aĀ capacitiveĀ sensorĀ thatĀ alsoĀ canĀ detectĀ whenĀ aĀ childĀ isĀ inĀ theĀ childĀ transportationĀ device.
TheĀ abilityĀ toĀ detectĀ whetherĀ orĀ notĀ aĀ childĀ isĀ positionedĀ inĀ theĀ carĀ seatĀ mayĀ beĀ accomplishedĀ withĀ oneĀ orĀ moreĀ proximityĀ sensors.Ā ProximityĀ sensingĀ mayĀ beĀ accomplishedĀ usingĀ infraredĀ sensorsĀ thatĀ areĀ locatedĀ onĀ theĀ seatĀ (orĀ asĀ aĀ separateĀ deviceĀ locatedĀ elsewhereĀ inĀ theĀ vehicleļ¼ŒĀ inĀ wirelessĀ communicationĀ withĀ theĀ carĀ seatĀ system)Ā withĀ aĀ viewingĀ angleĀ thatĀ includesĀ theĀ locationĀ whereĀ aĀ childĀ wouldĀ normallyĀ beĀ found.Ā InĀ oneĀ non-limitingĀ exampleļ¼ŒĀ theĀ proximityĀ sensorĀ (s)Ā canĀ beĀ locatedĀ onĀ theĀ handleĀ ofĀ aĀ carĀ seatļ¼ŒĀ whichĀ isĀ typicallyĀ locatedĀ overĀ theĀ openĀ topĀ ofĀ theĀ carĀ seat.Ā OtherĀ currentlyĀ availableĀ butĀ non-limitingĀ mannersĀ ofĀ detectingĀ theĀ presenceĀ ofĀ aĀ childĀ onĀ boardĀ (evenĀ whenĀ theĀ carĀ seatĀ isĀ notĀ present)Ā includeĀ accessoriesĀ suchĀ asĀ infraredĀ sensorsļ¼ŒĀ motionĀ detectorsļ¼ŒĀ camerasļ¼ŒĀ pressureĀ sensorsļ¼ŒĀ andĀ near-fieldĀ communicationĀ (NFC)Ā (suchĀ asĀ onĀ aĀ childā€™sĀ bracelet)Ā .Ā TheseĀ couldĀ beĀ enabledĀ toĀ communicateĀ directlyĀ withĀ theĀ seatĀ systemĀ communicationĀ unitĀ orĀ otherĀ systemĀ componentsļ¼ŒĀ orĀ indirectlyĀ toĀ theĀ carĀ seatĀ systemļ¼ŒĀ suchĀ asĀ viaĀ aĀ mobileĀ deviceĀ app.
TemperatureĀ monitoringĀ unitĀ 50Ā isĀ arrangedĀ toĀ detectĀ theĀ ambientĀ temperatureĀ atĀ orĀ proximateĀ theĀ childĀ transportationĀ device.Ā TemperatureĀ monitoringĀ unitĀ 50Ā canĀ useĀ anyĀ now-knownĀ orĀ later-developedĀ temperatureĀ sensingĀ technology.Ā InĀ oneĀ non-limitingĀ exampleļ¼ŒĀ temperatureĀ monitoringĀ unitĀ 50Ā comprisesĀ aĀ TMP06Ā temperatureĀ sensorļ¼ŒĀ availableĀ fromĀ AnalogĀ Devicesļ¼ŒĀ Inc.Ā ofĀ Norwoodļ¼ŒĀ MAļ¼ŒĀ USA.Ā TheĀ TMP06Ā sensorĀ canĀ beĀ operatedĀ inĀ one-shotĀ modeļ¼ŒĀ whereĀ theĀ sensorĀ outputsĀ aĀ valueĀ representingĀ temperatureĀ onlyĀ whenĀ requestedĀ byĀ aĀ microcontroller.Ā AĀ resultĀ isĀ thatĀ theĀ sensorĀ usesĀ veryĀ littleĀ power.Ā InĀ oneĀ exampleļ¼ŒĀ microprocessorĀ 42Ā isĀ programmedĀ toĀ requestĀ aĀ temperatureĀ aboutĀ oneĀ timeĀ perĀ second.Ā TheĀ temperatureļ¼ŒĀ asĀ determinedĀ byĀ microprocessorĀ 42Ā basedĀ onĀ theĀ outputĀ ofĀ temperatureĀ monitoringĀ unitĀ 50ļ¼ŒĀ canĀ beĀ displayedĀ onĀ displayĀ unitĀ 44ļ¼ŒĀ whichĀ mayĀ beĀ carriedĀ onĀ anĀ outsideĀ surfaceĀ ofĀ theĀ childĀ transportationĀ deviceļ¼ŒĀ soĀ thatĀ aĀ responsibleĀ adultĀ canĀ trackĀ theĀ temperatureĀ andĀ takeĀ anyĀ actionĀ necessaryĀ toĀ maintainĀ theĀ comfortĀ andĀ safetyĀ ofĀ theĀ childĀ inĀ theĀ childĀ transportationĀ device.Ā AlarmĀ unitĀ 56Ā canĀ beĀ enabledĀ byĀ microprocessorĀ 42Ā toĀ indicateĀ anĀ alarmĀ conditionĀ whenĀ theĀ temperatureĀ exceedsĀ aĀ set-point.Ā TheĀ setĀ pointĀ canĀ beĀ pre-establishedĀ inĀ microprocessorĀ 42Ā byĀ theĀ carĀ seatĀ manufacturerļ¼ŒĀ and/orĀ canĀ beĀ setĀ byĀ anĀ adultĀ throughĀ aĀ mobileĀ deviceĀ appĀ orĀ aĀ userĀ interfaceĀ (notĀ shown)Ā onĀ theĀ childĀ transportationĀ device.Ā TheĀ alarmĀ canĀ beĀ anyĀ oneĀ orĀ moreĀ typesĀ ofĀ alarmsļ¼ŒĀ suchĀ asĀ aĀ localĀ alarmĀ soundĀ (fromĀ aĀ soundĀ generatorĀ carriedĀ byĀ theĀ childĀ transportationĀ device)Ā ļ¼ŒĀ aĀ localĀ alarmĀ lightĀ (e.g.ļ¼ŒĀ aĀ redĀ LED)Ā ļ¼ŒĀ andĀ aĀ wirelessĀ signalĀ sentĀ toĀ aĀ mobileĀ deviceĀ withĀ  theĀ appĀ thatĀ thenĀ notifiesĀ theĀ userļ¼ŒĀ e.g.ļ¼ŒĀ throughĀ anĀ alarmĀ soundĀ and/orĀ aĀ visualĀ alarmĀ indicatorĀ suchĀ asĀ aĀ flashingĀ redĀ screenĀ orĀ warningĀ display.
InĀ orderĀ toĀ detectĀ ambientĀ airĀ temperatureĀ moreĀ accuratelyļ¼ŒĀ itĀ isĀ advisableĀ forĀ theĀ temperatureĀ sensorĀ notĀ toĀ beĀ exposedĀ toĀ directĀ sunlight.Ā TheĀ placementĀ ofĀ theĀ temperatureĀ sensorĀ onĀ theĀ childĀ transportationĀ deviceĀ canĀ thusĀ beĀ importantĀ toĀ accurateĀ temperatureĀ determination.Ā AĀ locationĀ thatĀ isĀ unlikelyĀ toĀ beĀ exposedĀ toĀ directĀ sunlightĀ inĀ normalĀ useĀ ofĀ theĀ childĀ transportationĀ deviceĀ isĀ thusĀ preferredļ¼ŒĀ butĀ notĀ required.Ā ForĀ aĀ childĀ seatĀ suchĀ asĀ carĀ seatĀ 60ļ¼ŒĀ figs.Ā 5AĀ andĀ 6ļ¼ŒĀ andĀ thatĀ hasĀ slopedĀ rearĀ lowerĀ surfaceĀ 62ļ¼ŒĀ theĀ locationĀ canĀ beĀ underĀ coverĀ memberĀ 70Ā whichĀ isĀ onĀ rearĀ slopedĀ surfaceĀ 62.Ā CoverĀ memberĀ 70Ā (fig.Ā 5B)Ā hasĀ fixedĀ baseĀ portionĀ 72ļ¼ŒĀ andĀ accessĀ doorĀ 74Ā thatĀ canĀ beĀ openedĀ toĀ provideĀ accessĀ toĀ aĀ batteryĀ (notĀ shown)Ā ļ¼ŒĀ whichĀ mayĀ beĀ mountedĀ onĀ theĀ sameĀ circuitĀ boardĀ asĀ theĀ temperatureĀ sensor.Ā AirĀ openingĀ 76Ā mayĀ beĀ providedĀ inĀ coverĀ memberĀ 70Ā inĀ orderĀ toĀ allowĀ ambientĀ airĀ toĀ circulateĀ belowĀ theĀ coverĀ toĀ theĀ temperatureĀ sensorļ¼ŒĀ soĀ thatĀ theĀ sensorĀ isĀ ableĀ toĀ detectĀ ambientĀ airĀ temperatureĀ moreĀ accurately.Ā OpeningĀ 76Ā mayĀ beĀ coveredĀ byĀ aĀ water-resistantĀ (hydrophobic)Ā meshļ¼ŒĀ suchĀ asĀ aĀ SaatifilĀ acousticĀ meshĀ availableĀ fromĀ SaatiĀ s.p.A.ļ¼ŒĀ AppianoĀ Gentileļ¼ŒĀ Italy.Ā NoteĀ thatĀ childā€™sĀ headĀ 66Ā isĀ visibleĀ inĀ fig.Ā 5Aļ¼ŒĀ asĀ isĀ basketĀ handholdĀ depressionĀ 64.
ButtonĀ 78Ā canĀ beĀ usedĀ toĀ pairĀ theĀ seatĀ withĀ aĀ separateĀ hubĀ deviceļ¼ŒĀ andĀ forĀ triggeringĀ aĀ seatĀ safetyĀ checkļ¼ŒĀ asĀ desired.Ā TheĀ hubĀ mayĀ beĀ aĀ remoteĀ componentĀ locatedĀ orĀ mountedĀ elsewhereĀ inĀ theĀ motorĀ vehicleļ¼ŒĀ andĀ thatĀ isĀ enabledĀ toĀ communicateĀ withĀ systemĀ 40ļ¼ŒĀ suchĀ asĀ byĀ Bluetoothļ¼ŒĀ BLEļ¼ŒĀ proprietaryĀ RFļ¼ŒĀ orĀ aĀ GSMĀ linkļ¼ŒĀ forĀ example.Ā AudibleĀ and/orĀ visualĀ alarmĀ outputsĀ couldĀ beĀ generatedĀ byĀ audible/visualĀ outputĀ subsystemsĀ incorporatedĀ onĀ hubĀ components.Ā AnĀ alarmĀ conditionĀ couldĀ causeĀ theĀ hubĀ toĀ displayĀ aĀ visualĀ warningĀ ofĀ aĀ problemĀ thatĀ canĀ beĀ seenĀ fromĀ outsideĀ theĀ vehicle.Ā TheĀ hubĀ mayĀ alsoĀ outputĀ anĀ audibleĀ alarm.Ā TheĀ alarmĀ canĀ alsoĀ beĀ wirelesslyĀ (e.g.ļ¼ŒĀ byĀ BLE)Ā communicatedĀ toĀ theĀ keyĀ fob.Ā TheĀ keyĀ fobĀ mayĀ alsoĀ outputĀ visualĀ andĀ audibleĀ signalsĀ indicatingĀ theĀ alarmĀ condition.Ā TheĀ microprocessorĀ mayĀ alsoĀ initiateĀ communicationĀ withĀ aĀ remotelyĀ locatedĀ deviceļ¼ŒĀ suchĀ asĀ aĀ smartphoneļ¼ŒĀ tabletļ¼ŒĀ personalĀ computerĀ andĀ theĀ likeļ¼ŒĀ sendingĀ aĀ messageĀ toĀ theĀ remoteĀ deviceĀ thatĀ aĀ problemĀ conditionsĀ exists.
Fig.Ā 6Ā showsĀ childĀ transportationĀ deviceĀ (carĀ seat)Ā 60Ā inĀ aĀ typicalĀ useĀ situationļ¼ŒĀ mountedĀ onĀ theĀ rearĀ seatĀ RĀ ofĀ aĀ motorĀ vehicleĀ thatĀ alsoĀ hasĀ frontĀ seatĀ F.Ā PrintedĀ circuitĀ boardĀ 80Ā thatĀ carriesĀ theĀ temperatureĀ sensorĀ isĀ locatedĀ justĀ behindĀ coverĀ 70.Ā ThisĀ placesĀ theĀ temperatureĀ  sensorĀ underneathĀ slopedĀ rearĀ surfaceĀ 62ļ¼ŒĀ whichĀ isĀ naturallyĀ shadedĀ fromĀ anyĀ sunlightĀ byĀ theĀ upperĀ portionĀ 61Ā ofĀ childĀ transportationĀ deviceĀ 60.Ā TheĀ alarmĀ buzzer/lightsĀ andĀ theĀ communicationĀ unitļ¼ŒĀ mayĀ alsoĀ beĀ locatedĀ onĀ printedĀ circuitĀ boardĀ 80ļ¼ŒĀ althoughĀ componentsĀ ofĀ temperatureĀ monitoringĀ deviceĀ 40Ā (otherĀ thanĀ theĀ temperatureĀ sensor)Ā mayĀ beĀ locatedĀ elsewhereĀ onĀ orĀ inĀ theĀ childĀ transportationĀ device.Ā Alsoļ¼ŒĀ theĀ childĀ transportationĀ deviceĀ mayĀ includeĀ aĀ carbonĀ monoxideĀ sensorĀ thatļ¼ŒĀ likeĀ theĀ temperatureĀ sensorļ¼ŒĀ hasĀ itsĀ outputĀ sentĀ toĀ theĀ microprocessorĀ soĀ thatĀ anĀ alarmĀ canĀ beĀ soundedĀ ifĀ theĀ carbonĀ monoxideĀ levelĀ inĀ theĀ motorĀ vehicleĀ exceedsĀ aĀ predeterminedĀ thresholdĀ value.
InĀ anotherĀ exampleļ¼ŒĀ aĀ temperatureĀ monitoringĀ deviceĀ couldĀ beĀ locatedĀ inĀ aĀ smallĀ portableĀ caseĀ withĀ aĀ temperatureĀ display.Ā TheĀ caseĀ couldĀ beĀ configuredĀ asĀ aĀ stand-aloneĀ temperatureĀ monitorļ¼ŒĀ displayļ¼ŒĀ andĀ alarm.Ā TheĀ caseĀ couldĀ alsoĀ beĀ constructedĀ andĀ arrangedĀ toĀ beĀ clippedĀ orĀ otherwiseĀ fastenedĀ toĀ aĀ childĀ transportationĀ deviceļ¼ŒĀ forĀ exampleĀ aĀ carĀ seatĀ orĀ aĀ strollerļ¼ŒĀ soĀ asĀ toĀ monitorĀ theĀ ambientĀ temperatureĀ proximateĀ theĀ child.
Fig.Ā 7Ā isĀ aĀ flowĀ chartĀ illustratingĀ stepsĀ involvedĀ inĀ temperatureĀ measurementĀ andĀ alarmĀ generationĀ methodĀ 90.Ā AtĀ stepĀ 92ļ¼ŒĀ theĀ temperatureĀ sensorĀ collectsĀ dataļ¼ŒĀ andĀ theĀ dataĀ isĀ passedĀ toĀ theĀ microprocessorļ¼ŒĀ stepĀ 94.Ā IfĀ theĀ temperatureĀ isĀ greaterĀ thanĀ theĀ presentļ¼ŒĀ stepĀ 96ļ¼ŒĀ theĀ microprocessorĀ commandsĀ theĀ alarmĀ toĀ initiateĀ andĀ monitoringĀ continues.Ā IfĀ theĀ temperatureĀ isĀ lessĀ thanĀ theĀ thresholdļ¼ŒĀ theĀ dataĀ isĀ loggedĀ andĀ monitoringĀ continues.
TheĀ thresholdsĀ canĀ beĀ lowĀ and/orĀ highĀ temperatureĀ settings.Ā Alsoļ¼ŒĀ theĀ systemĀ canĀ monitorĀ temperatureĀ increaseĀ overĀ timeĀ (i.e.ļ¼ŒĀ rateĀ ofĀ changeĀ ofĀ temperature)Ā .Ā IfĀ theĀ rateĀ ofĀ changeĀ isĀ highĀ (e.g.ļ¼ŒĀ atĀ leastĀ 1.5Ā CĀ perĀ minute)Ā ļ¼ŒĀ thenĀ aĀ separateĀ alarmĀ canĀ beĀ givenļ¼ŒĀ suchĀ asĀ byĀ transmittingĀ aĀ messageĀ thatĀ theĀ carĀ isĀ heatingĀ upĀ atĀ aĀ fastĀ rateĀ andĀ theĀ childĀ shouldĀ beĀ monitored.Ā TheĀ rateĀ ofĀ changeĀ canĀ beĀ combinedĀ withĀ theĀ actualĀ temperatureĀ toĀ developĀ aĀ particularĀ warning.Ā ForĀ exampleļ¼ŒĀ ifĀ theĀ carĀ isĀ hotĀ andĀ theĀ rateĀ ofĀ changeĀ isĀ highļ¼ŒĀ thereĀ canĀ beĀ aĀ direĀ warning.Ā ButĀ ifĀ theĀ temperatureĀ isĀ notĀ highĀ andĀ rateĀ ofĀ changeĀ isĀ highļ¼ŒĀ thereĀ canĀ beĀ anĀ initialĀ warningĀ aboutĀ theĀ carĀ heatingĀ upĀ tooĀ fast.
ElementsĀ ofĀ figuresĀ areĀ shownĀ andĀ describedĀ asĀ discreteĀ elementsĀ inĀ aĀ blockĀ diagram.Ā TheseĀ mayĀ beĀ implementedĀ asĀ oneĀ orĀ moreĀ ofĀ analogĀ circuitryĀ orĀ digitalĀ circuitry.Ā Alternativelyļ¼ŒĀ  orĀ additionallyļ¼ŒĀ theyĀ mayĀ beĀ implementedĀ withĀ oneĀ orĀ moreĀ microprocessorsĀ executingĀ softwareĀ instructions.Ā TheĀ softwareĀ instructionsĀ canĀ includeĀ digitalĀ signalĀ processingĀ instructions.Ā OperationsĀ mayĀ beĀ performedĀ byĀ analogĀ circuitryĀ orĀ byĀ aĀ microprocessorĀ executingĀ softwareĀ thatĀ performsĀ theĀ equivalentĀ ofĀ theĀ analogĀ operation.Ā SignalĀ linesĀ mayĀ beĀ implementedĀ asĀ discreteĀ analogĀ orĀ digitalĀ signalĀ linesļ¼ŒĀ asĀ aĀ discreteĀ digitalĀ signalĀ lineĀ withĀ appropriateĀ signalĀ processingĀ thatĀ isĀ ableĀ toĀ processĀ separateĀ signalsļ¼ŒĀ and/orĀ asĀ elementsĀ ofĀ aĀ wirelessĀ communicationĀ system.
WhenĀ processesĀ areĀ representedĀ orĀ impliedĀ inĀ theĀ blockĀ diagramļ¼ŒĀ theĀ stepsĀ mayĀ beĀ performedĀ byĀ oneĀ elementĀ orĀ aĀ pluralityĀ ofĀ elements.Ā TheĀ stepsĀ mayĀ beĀ performedĀ togetherĀ orĀ atĀ differentĀ times.Ā TheĀ elementsĀ thatĀ performĀ theĀ activitiesĀ mayĀ beĀ physicallyĀ theĀ sameĀ orĀ proximateĀ oneĀ anotherļ¼ŒĀ orĀ mayĀ beĀ physicallyĀ separate.Ā OneĀ elementĀ mayĀ performĀ theĀ actionsĀ ofĀ moreĀ thanĀ oneĀ block.
AĀ numberĀ ofĀ implementationsĀ haveĀ beenĀ described.Ā Neverthelessļ¼ŒĀ itĀ willĀ beĀ understoodĀ thatĀ additionalĀ modificationsĀ mayĀ beĀ madeĀ withoutĀ departingĀ fromĀ theĀ scopeĀ ofĀ theĀ inventiveĀ conceptsĀ describedĀ herein.Ā ForĀ exampleļ¼ŒĀ featuresĀ fromĀ 1Ā drawingĀ mayĀ beĀ usedĀ inĀ examplesĀ fromĀ anotherĀ drawingļ¼ŒĀ asĀ wouldĀ beĀ apparentĀ toĀ oneĀ skilledĀ inĀ theĀ technicalĀ field.Ā Andļ¼ŒĀ accordinglyļ¼ŒĀ otherĀ embodimentsĀ areĀ withinĀ theĀ scopeĀ ofĀ theĀ followingĀ claims.

Claims (19)

  1. AĀ childĀ transportationĀ deviceļ¼ŒĀ comprisingļ¼š
    aĀ childĀ seatĀ withĀ aĀ slopedĀ backĀ sectionļ¼›Ā and
    aĀ temperatureĀ monitoringĀ unitĀ thatĀ isĀ constructedĀ andĀ arrangedĀ toĀ determineĀ anĀ ambientĀ temperatureļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ comprisesĀ aĀ temperatureĀ sensorĀ locatedĀ underĀ theĀ slopedĀ backĀ sectionĀ ofĀ theĀ childĀ seat.
  2. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 1ļ¼ŒĀ whereinĀ theĀ childĀ seatĀ comprisesĀ aĀ handĀ basket.
  3. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 2ļ¼ŒĀ whereinĀ theĀ temperatureĀ sensorĀ isĀ underĀ aĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basket.
  4. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 3ļ¼ŒĀ whereinĀ theĀ temperatureĀ sensorĀ isĀ underĀ anĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basket.
  5. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 4ļ¼ŒĀ whereinĀ theĀ temperatureĀ sensorĀ isĀ mountedĀ toĀ aĀ printedĀ circuitĀ boardĀ thatĀ isĀ locatedĀ behindĀ aĀ coverĀ thatĀ isĀ partĀ ofĀ theĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basket.
  6. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 5ļ¼ŒĀ whereinĀ theĀ coverĀ hasĀ anĀ openingļ¼ŒĀ soĀ thatĀ theĀ temperatureĀ sensorĀ isĀ exposedĀ toĀ ambientĀ air.
  7. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 1ļ¼ŒĀ furtherĀ comprisingĀ aĀ temperatureĀ monitoringĀ deviceĀ thatĀ comprisesĀ theĀ temperatureĀ monitoringĀ unit.
  8. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 7ļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ deviceĀ furtherĀ comprisesĀ aĀ microprocessorĀ andĀ anĀ alarmĀ unitļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ andĀ theĀ alarmĀ unitĀ areĀ operablyĀ connectedĀ toĀ theĀ microprocessor.
  9. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 8ļ¼ŒĀ whereinĀ theĀ childĀ seatĀ comprisesĀ aĀ handĀ basketļ¼ŒĀ andĀ whereinĀ theĀ temperatureĀ sensorĀ isĀ underĀ anĀ outerĀ surfaceĀ ofĀ aĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basket.
  10. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 9ļ¼ŒĀ whereinĀ theĀ temperatureĀ sensorĀ isĀ mountedĀ toĀ aĀ printedĀ circuitĀ boardĀ thatĀ isĀ locatedĀ behindĀ aĀ coverĀ thatĀ isĀ partĀ ofĀ theĀ outerĀ surfaceĀ ofĀ theĀ rearĀ  bottomĀ partĀ ofĀ theĀ handĀ basketļ¼ŒĀ andĀ whereinĀ theĀ coverĀ hasĀ anĀ openingļ¼ŒĀ soĀ thatĀ theĀ temperatureĀ sensorĀ isĀ exposedĀ toĀ ambientĀ air.
  11. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 8ļ¼ŒĀ whereinĀ theĀ microprocessorĀ isĀ configuredĀ toĀ provideĀ anĀ alarmĀ whenĀ theĀ ambientĀ temperatureĀ isĀ outsideĀ ofĀ aĀ predeterminedĀ temperatureĀ range.
  12. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 11ļ¼ŒĀ whereinĀ theĀ alarmĀ comprisesĀ atĀ leastĀ oneĀ ofĀ anĀ audibleĀ alarmĀ fromĀ theĀ alarmĀ unitļ¼ŒĀ aĀ visibleĀ alarmĀ fromĀ theĀ alarmĀ unitļ¼ŒĀ andĀ anĀ alarmĀ signalĀ sentĀ byĀ aĀ communicationĀ unitĀ ofĀ theĀ temperatureĀ monitoringĀ device.
  13. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 1ļ¼ŒĀ furtherĀ comprisingĀ anĀ occupancyĀ sensorĀ thatĀ isĀ adaptedĀ toĀ determineĀ ifĀ aĀ childĀ isĀ inĀ theĀ childĀ transportationĀ device.
  14. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 13ļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ operablyĀ coupledĀ toĀ theĀ occupancyĀ sensorļ¼ŒĀ suchĀ thatĀ ambientĀ temperatureĀ isĀ notĀ sensedĀ ifĀ noĀ childĀ isĀ locatedĀ inĀ theĀ childĀ transportationĀ device.
  15. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 13ļ¼ŒĀ whereinĀ theĀ occupancyĀ sensorĀ comprisesĀ oneĀ orĀ moreĀ ofĀ anĀ infraredĀ sensorĀ andĀ aĀ pressureĀ sensor.
  16. AĀ childĀ transportationĀ deviceĀ comprisingļ¼š
    aĀ childĀ seatĀ comprisingĀ aĀ handĀ basketļ¼›Ā and
    aĀ temperatureĀ monitoringĀ deviceĀ comprisingĀ aĀ temperatureĀ monitoringĀ unitĀ thatĀ isĀ constructedĀ andĀ arrangedĀ toĀ determineĀ anĀ ambientĀ temperatureļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ comprisesĀ aĀ temperatureĀ sensorĀ locatedĀ underĀ anĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basketļ¼›
    whereinĀ theĀ temperatureĀ monitoringĀ deviceĀ furtherĀ comprisesĀ aĀ microprocessorĀ andĀ anĀ alarmĀ unitļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ andĀ theĀ alarmĀ unitĀ areĀ operablyĀ coupledĀ toĀ theĀ microprocessor.
  17. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 16ļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ mountedĀ toĀ aĀ printedĀ circuitĀ boardĀ thatĀ isĀ locatedĀ behindĀ aĀ coverĀ thatĀ isĀ partĀ ofĀ theĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basketļ¼ŒĀ andĀ whereinĀ theĀ coverĀ hasĀ anĀ openingļ¼ŒĀ soĀ thatĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ exposedĀ toĀ ambientĀ air.
  18. TheĀ childĀ transportationĀ deviceĀ ofĀ claimĀ 16ļ¼ŒĀ furtherĀ comprisingĀ anĀ occupancyĀ sensorĀ thatĀ isĀ adaptedĀ toĀ determineĀ ifĀ aĀ childĀ isĀ inĀ theĀ childĀ transportationĀ deviceļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ operablyĀ coupledĀ toĀ theĀ occupancyĀ sensorļ¼ŒĀ suchĀ thatĀ ambientĀ temperatureĀ isĀ notĀ sensedĀ ifĀ noĀ childĀ isĀ locatedĀ inĀ theĀ childĀ transportationĀ device.
  19. AĀ childĀ transportationĀ deviceĀ comprisingļ¼š
    aĀ childĀ seatĀ comprisingĀ aĀ handĀ basketļ¼›
    aĀ temperatureĀ monitoringĀ deviceĀ comprisingĀ aĀ temperatureĀ monitoringĀ unitĀ thatĀ isĀ constructedĀ andĀ arrangedĀ toĀ determineĀ anĀ ambientĀ temperatureļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ comprisesĀ aĀ temperatureĀ sensorĀ locatedĀ underĀ anĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basketļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ mountedĀ toĀ aĀ printedĀ circuitĀ boardĀ thatĀ isĀ locatedĀ behindĀ aĀ coverĀ thatĀ isĀ partĀ ofĀ theĀ outerĀ surfaceĀ ofĀ theĀ rearĀ bottomĀ partĀ ofĀ theĀ handĀ basketļ¼ŒĀ andĀ whereinĀ theĀ coverĀ hasĀ anĀ openingļ¼ŒĀ soĀ thatĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ exposedĀ toĀ ambientĀ airļ¼›
    whereinĀ theĀ temperatureĀ monitoringĀ deviceĀ furtherĀ comprisesĀ aĀ microprocessorĀ andĀ anĀ alarmĀ unitļ¼ŒĀ whereinĀ theĀ temperatureĀ monitoringĀ unitĀ andĀ theĀ alarmĀ unitĀ areĀ operablyĀ coupledĀ toĀ theĀ microprocessorļ¼›
    anĀ occupancyĀ sensorĀ thatĀ comprisesĀ oneĀ orĀ moreĀ ofĀ anĀ infraredĀ sensorĀ andĀ aĀ pressureĀ sensorļ¼ŒĀ whereinĀ theĀ occupancyĀ sensorĀ isĀ adaptedĀ toĀ determineĀ ifĀ aĀ childĀ isĀ inĀ theĀ childĀ transportationĀ deviceļ¼›
    whereinĀ theĀ temperatureĀ monitoringĀ unitĀ isĀ operablyĀ coupledĀ toĀ theĀ occupancyĀ sensorļ¼ŒĀ suchĀ thatĀ ambientĀ temperatureĀ isĀ notĀ sensedĀ ifĀ noĀ childĀ isĀ locatedĀ inĀ theĀ childĀ transportationĀ deviceļ¼›Ā and
    whereinĀ theĀ microprocessorĀ isĀ configuredĀ toĀ provideĀ anĀ alarmĀ whenĀ theĀ ambientĀ temperatureĀ isĀ outsideĀ ofĀ aĀ predeterminedĀ temperatureĀ rangeļ¼ŒĀ whereinĀ theĀ alarmĀ comprisesĀ atĀ leastĀ oneĀ ofĀ anĀ audibleĀ alarmĀ fromĀ theĀ alarmĀ unitļ¼ŒĀ aĀ visibleĀ alarmĀ fromĀ theĀ alarmĀ unitļ¼ŒĀ andĀ anĀ alarmĀ signalĀ sentĀ byĀ aĀ communicationĀ unitĀ ofĀ theĀ temperatureĀ monitoringĀ device.
PCT/CN2017/101457 2016-09-12 2017-09-12 Child transportation device temperature sensing WO2018046020A1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN201621050502.6 2016-09-12
CN201621050502.6U CN206141378U (en) 2016-09-12 2016-09-12 Children's safety seat with bluetooth
CN201621050426.9 2016-09-12
CN201621050383.4U CN206141384U (en) 2016-09-12 2016-09-12 Children's safety seat with temperature monitoring
CN201621050383.4 2016-09-12
CN201610817633.0 2016-09-12
CN201621050426.9U CN206049417U (en) 2016-09-12 2016-09-12 Child safety seat with child's monitoring
CN201610817633.0A CN106314211A (en) 2016-09-12 2016-09-12 Child safety seat monitoring device and control method thereof

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US20190299924A1 (en) 2019-10-03

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